System and method for providing closed subscriber groups in a packet-based wireless communication system

a technology of subscriber groups and wireless communication systems, applied in the field of communication systems, to achieve the effect of limiting time and power consumption and conserving battery power

Active Publication Date: 2010-05-06
NOKIA TECHNOLOGLES OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0016]By allowing the user to control how the cell selection or background scanning is done, the user may control which cell the UE identifies and conserve battery power used in the selection task. The user may, in another exemplary embodiment, identify particular cells for selection and further limit the time and power consumed by the UE in the cell selection and / or background scan tasks.

Problems solved by technology

Traditional communication system designs employing a fixed resource (e.g., a fixed data rate for each user) have become challenged to provide high, but flexible, data transmission rates in view of the rapidly growing customer base.
The need to accommodate the CSG functions in the environment poses several problems for the system.

Method used

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  • System and method for providing closed subscriber groups in a packet-based wireless communication system
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  • System and method for providing closed subscriber groups in a packet-based wireless communication system

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Embodiment Construction

[0027]Referring initially to FIG. 1, illustrated is a system level diagram of a radio frequency interface communication system including a wireless communication system that provides an environment for the application of the principles of the present invention. The wireless communication system may be configured to provide features included in the evolved UMTS terrestrial radio access network (“E-UTRAN”) universal mobile telecommunications services. Mobile management entities (“MMEs”) 11 and user plane entities (“UPEs”) provide control functionality for one or more E-UTRAN node B (designated “eNB,” an “evolved node B,” also commonly referred to as a “base station”) 15 via an S1 interface or communication link. The base stations 15 also communicate via an X2 interface or communication link. The various communication links are typically fiber, microwave, or other high-frequency metallic communication paths such as coaxial links, or combinations thereof.

[0028]The base stations 15 commu...

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Abstract

Systems and methods for providing radio frequency transceiver user equipment in a packet based radio frequency signaling communication system are disclosed. User equipment is provided with closed subscriber group “CSG” capability including permanent storage for a CSG whitelist, the whitelist including identifiers of CSGs the user equipment is a member of. Base stations transmit signals including identifiers corresponding to CSGs the base station supports. The base station or cell selection process performed by the user equipment includes selecting cells that are part of the CSG whitelist. In additional embodiments, the user equipment includes user alterable storage for a user controlled CSG whitelist. The user alterable storage may further be partitioned into permanent and temporary portions. In an exemplary method, the user controls the cell selection process using the CSG whitelist information stored in the user equipment. Methods for managing the CSG whitelist are described.

Description

RELATED APPLICATION[0001]This application claims the benefit of U.S. Provisional Application No. 61 / 037,638, filed on Mar. 18, 2008, which is incorporated herein by reference.TECHNICAL FIELD[0002]The present invention is directed, in general, to communication systems and, more particularly, to a system and method for providing the use of closed subscriber group functions in a packet or circuit based communication system that includes discontinuous reception, VoIP packet support and wireless devices while allowing for efficient use, simple implementation and conservation of system resources.BACKGROUND[0003]As wireless communication systems such as cellular telephone, satellite, and microwave communication systems become widely deployed and continue to attract a growing number of users, there is a pressing need to accommodate a large and variable number of communication subsystems transmitting a growing volume of data with a fixed resource such as a fixed channel bandwidth accommodati...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04B7/00
CPCH04J11/0069H04W48/20
Inventor KOSKELA, JARKKO TUOMODALSGAARD, LARS
Owner NOKIA TECHNOLOGLES OY
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